CImtStyle.h

// SPDX-License-Identifier: LGPL-2.1-or-later OR GPL-2.0-or-later OR GPL-3.0-or-later OR LicenseRef-ImtCore-Commercial
#pragma once
 
 
// Qt includes
#include <QtWidgets/QProxyStyle>
#include <QtWidgets/QStyleOption>
 
// ImtCore includes
#include <imtstyle/IColorPaletteProvider.h>
 
 
namespace imtstyle
{
 
 
class CImtStyle: public QProxyStyle
{
       Q_OBJECT
public:
       typedef QProxyStyle BaseClass;
 
       enum StyleType
       {
              ST_IMAGINGTOOLS,
              ST_FLAT
       };
 
       static CImtStyle* GetInstance();
 
       StyleType GetStyleType() const;
       void SetStyleType(StyleType styleType);
       QByteArray GetActiveDesignSchemaId() const;
       void SetActiveDesignSchema(const IColorPaletteProvider::ColorSchema& schema);
 
       // reimplemented (QStyle)
       virtual void polish(QWidget* widgetPtr) override;
       virtual void drawPrimitive(QStyle::PrimitiveElement pe, const QStyleOption *opt, QPainter *p, const QWidget *widget = nullptr) const override;
       virtual void drawControl(ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget = nullptr) const override;
       virtual QRect subElementRect(SubElement subElement, const QStyleOption *option, const QWidget *widget = nullptr) const override;
       virtual QSize sizeFromContents(QStyle::ContentsType type, const QStyleOption *option, const QSize &contentsSize, const QWidget *widget = nullptr) const override;
 
public:
       class DesignSchemaSetterBlocker
       {
       public:
              explicit DesignSchemaSetterBlocker(CImtStyle& parent);
              ~DesignSchemaSetterBlocker();
 
       private:
              CImtStyle& m_parent;
       };
 
protected:
       virtual void DrawImagingToolsToolButton(
                            const QStyleOptionToolButton* optionPtr,
                            QPainter* painter,
                            const QWidget* widget = nullptr) const;
 
private:
       void EnsureStyleSheetApplied(bool force = false) const;
 
private:
       struct GradientColors
       {
              QColor startColor;
              QColor endColor;
       };
 
       IColorPaletteProvider::ColorSchema m_activeColorSchema;
 
       StyleType m_styleType;
 
       mutable bool m_wasStyleSheetInitialized;
 
private:
       CImtStyle();
       Q_DISABLE_COPY(CImtStyle);
 
       static CImtStyle* m_instancePtr;
 
       int m_blockerCount;
};
 
 
} // namespace imtstyle